Skip to main content

Table 5 Barriers questionnaire factor analysis and internal reliability

From: Development and psychometric properties of a questionnaire to assess barriers to feeding critically ill patients

Item number

Questionnaire items and new subscale names

Eigenvalue

Variance explained

Loading on Factor 1

Loading on Factor 2

Loading on Factor 3

Loading on Factor 4

Loading on Factor 5

Alpha

Alpha if item deleted

 

Subscale 1: Guideline Recommendations and Implementation Strategies

10.01

47.67

     

0.89

 

C6

● Current scientific evidence supporting some nutrition interventions is inadequate to inform practice.

  

0.68

0.15

0.30

0.24

0.23

 

0.87

C7

● The current guidelines for nutrition are not readily accessible when I want to refer to them.

  

0.84

0.19

0.07

0.17

0.20

 

0.86

C8

● The language of the recommendations of the current guidelines for nutrition are not easy to understand.

  

0.77

0.25

0.12

0.12

0.31

 

0.85

C10

● No feeding protocol in place to guide the initiation and progression of enteral nutrition.

  

0.54

0.38

0.15

0.34

0.31

 

0.87

C11

Current feeding protocol is outdated.

  

0.63

0.31

0.21

0.31

0.14

 

0.86

 

Subscale 2: Delivery of Enteral Nutrition to the Patient

1.68

8.00

     

0.86

 

C12

● Delay in physicians ordering the initiation of EN.

  

0.19

0.42

0.41

0.45

0.17

 

0.85

C18

No feeding tube in place to start feeding.

  

0.26

0.82

0.12

0.12

0.27

 

0.81

C19

● Delays in initiating motility agents in patients not tolerating enteral nutrition (i.e., high gastric residual volumes).

  

0.19

0.78

0.32

0.07

0.24

 

0.81

C20

● Delays and difficulties in obtaining small bowel access in patients not tolerating enteral nutrition (i.e., high gastric residual volumes).

  

0.16

0.72

0.27

0.27

−0.02

 

0.84

C21

● In resuscitated, hemodynamically stable patients, other aspects of patient care still take priority over nutrition.

  

0.32

0.52

0.17

0.23

0.17

 

0.85

 

Subscale 3: Critical Care Provider Attitudes and Behavior

1.20

5.72

     

0.87

 

C14

● Non-ICU physicians (i.e., surgeons, gastroenterologists) requesting patients not be fed enterally.

  

−0.24

0.27

0.67

0.31

0.04

 

0.83

C15

● Nurses failing to progress feeds as per the feeding protocol.

  

0.09

0.26

0.82

0.09

0.19

 

0.79

C16

● Fear of adverse events due to aggressively feeding patients.

  

0.33

0.24

0.60

0.07

0.33

 

0.84

C17

● Feeding being held too far in advance of procedures or operating room visits.

  

0.10

0.11

0.87

0.15

0.07

 

0.81

 

Subscale 4: Dietitian Support

1.13

5.36

     

0.84

 

C13

● Waiting for the dietitian to assess the patient.

  

0.37

0.26

0.19

0.63

0.18

 

0.79

C2

● Not enough dietitian time dedicated to the ICU during regular weekday hours.

  

0.03

0.26

0.09

0.70

0.49

 

0.80

C3

● No or not enough dietitian coverage during evenings, weekends and holidays.

  

0.27

0.13

0.15

0.77

0.19

 

0.77

C9

● There is not enough time dedicated to education and training on how to optimally feed patients.

  

0.51

0.08

0.29

0.60

−0.05

 

0.83

 

Subscale 5: ICU Resources

1.10

5.23

     

0.84

 

C1

● Not enough nursing staff to deliver adequate nutrition.

  

0.15

0.25

0.22

0.38

0.66

 

0.84

C4

● Enteral formula not available on the unit.

  

0.31

0.23

0.07

0.24

0.74

 

0.71

C5

● No or not enough feeding pumps on the unit.

  

0.32

0.08

0.21

0.04

0.80

 

0.75

 

Eliminated/Reworded Item

         

C22

● Lack of agreement among ICU team on the best nutrition plan of care for the patient.

  

0.23

0.46

0.25

0.42

0.35

  
  1. Bolded text = items retained in the factor.
Back to article page

Implementation Science

ISSN: 1748-5908